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Super Precision Angular Contact Ball Bearings S7021 CD/P4ADBC

Super Precision Angular Contact Ball Bearings S7021 CD/P4ADBC

The S7021 CD/P4ADBC is a super precision angular contact ball bearing with a 105mm bore and 160mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 35100 lbf and operates smoothly at speeds up to 10000 RPM.

Its sealed design and phenolic cage ensure low maintenance and long service life, even in demanding conditions. The moderate preload (Class C) enhances stability for precision applications.

This matched set of two bearings (DB arrangement) is ideal for high-precision machinery like CNC spindles or grinding equipment. It performs reliably in temperatures from -30°C to 110°C.

Weighing 3.22kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S7021 CD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 105 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 160 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 17.462 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 35100 lbf
  • Static Radial Load 43425 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 3.22 kg
Super Precision Angular Contact Ball Bearings S7021 CD/P4ADBC dimension drawing
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Features

Performance Features of S7021 CD/P4ADBC Bearing

S7021 CD/P4ADBC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 35100 lbf, it handles demanding conditions reliably.
Its sealed design and grease lubrication reduce maintenance needs, extending service life.

The matched arrangement of two bearings provides stability and precision in operation.
S7021 CD/P4ADBC Bearing operates efficiently within a temperature range of -30°C to 110°C.

Application

Key Fields for S7021 CD/P4ADBC Bearing
S7021 CD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, S7021 CD/P4ADBC Bearing supports components like high-performance gearboxes, thanks to its moderate preload and grease lubrication. Its chrome steel construction offers durability under heavy radial and angular loads.

For medical imaging devices, S7021 CD/P4ADBC Bearing’s phenolic cage and sealed design maintain smooth operation in sensitive equipment. The P4A tolerance class ensures consistent performance in critical medical settings.

Automation systems benefit from S7021 CD/P4ADBC Bearing’s ability to handle high speeds, making it ideal for robotic arms and CNC machines. The 15° contact angle enhances precision in repetitive movements.

In aerospace applications, S7021 CD/P4ADBC Bearing’s reliability and temperature range make it suitable for flight control systems. The metric sizing ensures compatibility with international aerospace standards.

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